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Solder Alloy 103 vs. C81400 Copper

Solder alloy 103 belongs to the otherwise unclassified metals classification, while C81400 copper belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is solder alloy 103 and the bottom bar is C81400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 37
120
Elongation at Break, % 47
11
Poisson's Ratio 0.39
0.34
Shear Modulus, GPa 13
41
Tensile Strength: Ultimate (UTS), MPa 52
370

Thermal Properties

Latent Heat of Fusion, J/g 45
210
Melting Completion (Liquidus), °C 190
1090
Melting Onset (Solidus), °C 180
1070
Specific Heat Capacity, J/kg-K 180
390
Thermal Conductivity, W/m-K 50
260
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
60
Electrical Conductivity: Equal Weight (Specific), % IACS 12
61

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 10
2.8
Embodied Energy, MJ/kg 180
45
Embodied Water, L/kg 910
310

Common Calculations

Stiffness to Weight: Axial, points 2.3
7.3
Stiffness to Weight: Bending, points 12
18
Strength to Weight: Axial, points 1.6
11
Strength to Weight: Bending, points 3.5
13
Thermal Diffusivity, mm2/s 30
75
Thermal Shock Resistance, points 4.3
13

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0 to 0.030
0
Beryllium (Be), % 0
0.020 to 0.1
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Chromium (Cr), % 0
0.6 to 1.0
Copper (Cu), % 0 to 0.080
98.4 to 99.38
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 38.8 to 40.5
0
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 59.5 to 60.5
0
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 0.5